Clue

Clue is a Berlin-based women’s health technology company founded in 2012.

It develops the Clue mobile app, a science-backed menstrual and reproductive health tracker used by over 15 million people in more than 180 countries. The app analyzes menstrual cycle data to predict fertility windows and menstruation dates, track symptoms, and provide evidence-based education on periods and sexual health. Clue offers a primary product, the Clue mobile app, available on iOS, Android, and Apple Watch. It features cycle predictions, symptom logging, calendar reminders, and the Clue Conceive feature for those on conception journeys. The company also provides a premium subscription service, Clue Plus, which offers advanced insights and enhanced data visualization. Clue's mission is to empower users to take charge of their reproductive health while advancing research in this field.